CN202472758U - Iris recognition attendance system based on DSP (Digital Signal Processor) and ARM processor - Google Patents
Iris recognition attendance system based on DSP (Digital Signal Processor) and ARM processor Download PDFInfo
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- CN202472758U CN202472758U CN 201220058120 CN201220058120U CN202472758U CN 202472758 U CN202472758 U CN 202472758U CN 201220058120 CN201220058120 CN 201220058120 CN 201220058120 U CN201220058120 U CN 201220058120U CN 202472758 U CN202472758 U CN 202472758U
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Abstract
The utility model provides an iris recognition attendance system based on a DSP (Digital Signal Processor) and an ARM processor. In the system, the DSP is connected with an A/D (Analogue/Digital) video input chip, a power supply module, an SDRAM (Synchronous Dynamic Random Access Memory), a FLASH and the ARM processor, the ARM processor is connected with an Ethernet port, a human-computer interaction module and a GPRS (General Packet Radio Service) module, and the A/D video input chip is connected with a COMS (Complementary Metal Oxide Semiconductor) camera. With the iris recognition technology, the system is convenient to use; the keys with the public technologies, such as the fingerprint identification, are not used, thus, the system is clean and sanitary; and the system can record the attendance information, so that the statistics can be more accurate and convenient. The system disclosed by the utility model can adopt a wired communication mode and a wireless communication mode to communicate with the upper computer, namely a wired Ethernet interface and a wireless GPRS mode, thus being suitable for communication under various environments.
Description
Technical field
The utility model relates to electronic technology field, and a kind of iris recognition attendance checking system based on dsp processor and arm processor is provided.
Background technology
The present existing attendance recorder equipment of checking card that adopt more; And the equipment of checking card can be checked card by other people in generation; Can not accurately carry out work attendance statistics, perhaps adopt fingerprint recognition for attendance checking equipment, this equipment carries out work attendance statistics through identification people's fingerprint; And this mode needs people to pass through could implement by fingerprint equipment, inconvenience and health.
Summary of the invention
The purpose of the utility model is the deficiency to prior art, and a kind of easy to use, clean hygiene and a kind of accurately iris recognition attendance checking system based on dsp processor and arm processor of statistics are provided.
The utility model is for realizing that above-mentioned purpose adopts following technical scheme:
A kind of iris recognition attendance checking system based on dsp processor and arm processor is characterized in that comprising:
COMS camera: catch the simulating signal that iris image information produces pal mode;
A/D video input chip: the pal mode simulating signal that the COMS camera is caught is converted into the digital signal of 8 bit resolutions;
12C bus: adopt chip PCF8584 as the 12C bus controller, A/D video input chip is carried out initialization;
Dsp processor: control each module co-ordination and to the processing of data, and accomplish the comparison identification of iris;
SDRAM: be used for the operation system program;
FLASH: be used to store start-up routine, start-up parameter, operating system, file system and hardware drive program thereof and application code;
Arm processor: communicate transmission and man-machine interaction;
Man-machine interaction unit: comprise being used for the Keysheet module and the LCD display that be used for display system duty of user to the setting of the duty of system;
Ethernet interface: be used for communicating by letter with host computer;
GPRS module: be used for carrying out data communication through GPRS wireless network and host computer;
Power module: for this system provides stable power;
Said COMS camera sends the pal mode simulation iris image signal of catching to and gives dsp processor after A/D video input chip converts digital signal into; Each module co-ordination of dsp processor control and to the processing of data; And the comparison of accomplishing iris is discerned; Data after dsp processor will be handled send arm processor to, and arm processor control Ethernet interface or GPRS module send deal with data to host computer;
Said dsp processor is connected with arm processor with A/D video input chip, power module, SDRAM, FLASH, and said arm processor is connected with Ethernet interface, man-machine interaction, GPRS module, and said A/D video input chip is connected with the COMS camera.
Said A/D video input chip adopts the SAA7111A model.
Said dsp processor adopts the DM642 model.
Said arm processor adopts the S3C2440 chip;
Said GPRS module adopts the MC35i model.
The utlity model has following beneficial effect:
One, the utility model adopts iris recognition technology, and is easy to use, and do not have the button of public for example fingerprint recognition, and clean hygiene, and carry out record to examining feelings information makes statistics more accurately and convenient.
Two, the utility model both can adopt wired Ethernet interface and host computer to communicate, and also can adopt the wireless GPRS pattern to communicate by letter with host computer, and two kinds of communication modes of radio communication and wire communication make the utility model be fit to the communication under the various environment.
Description of drawings
Fig. 1 is the system block diagram of the utility model.
Embodiment
A kind of iris recognition attendance checking system based on dsp processor and arm processor is characterized in that comprising:
COMS camera: catch the simulating signal that iris image information produces pal mode;
A/D video input chip: the pal mode simulating signal that the COMS camera is caught is converted into the digital signal of 8 bit resolutions;
12C bus: adopt chip PCF8584 as the 12C bus controller, A/D video input chip is carried out initialization;
Dsp processor: control each module co-ordination and to the processing of data, and accomplish the comparison identification of iris;
SDRAM: be used for the operation system program;
FLASH: be used to store start-up routine, start-up parameter, operating system, file system and hardware drive program thereof and application code;
Arm processor: communicate transmission and man-machine interaction;
Man-machine interaction unit: comprise being used for the Keysheet module and the LCD display that be used for display system duty of user to the setting of the duty of system;
Ethernet interface: be used for communicating by letter with host computer;
GPRS module: be used for carrying out data communication through GPRS wireless network and host computer;
Power module: for this system provides stable power;
Said COMS camera sends the pal mode simulation iris image signal of catching to and gives dsp processor after A/D video input chip converts digital signal into; Each module co-ordination of dsp processor control and to the processing of data; And the comparison of accomplishing iris is discerned; Data after dsp processor will be handled send arm processor to, and arm processor control Ethernet interface or GPRS module send deal with data to host computer;
Said dsp processor is connected with arm processor with A/D video input chip, power module, SDRAM, FLASH, and said arm processor is connected with Ethernet interface, man-machine interaction, GPRS module, and said A/D video input chip is connected with the COMS camera.
Said A/D video input chip adopts the SAA7111A model.
Said dsp processor adopts the DM642 model.
Said arm processor adopts the S3C2440 chip;
Said GPRS module adopts the MC35i model.
The utility model adopts iris recognition technology, and is easy to use, and do not have the button of public for example fingerprint recognition, and clean hygiene, and carry out record to examining feelings information makes statistics more accurately and convenient.
The utility model both can adopt wired Ethernet interface and host computer to communicate, and also can adopt the wireless GPRS pattern to communicate by letter with host computer, and two kinds of communication modes of radio communication and wire communication make the utility model be fit to the communication under the various environment.
Claims (5)
1. iris recognition attendance checking system based on dsp processor and arm processor is characterized in that comprising:
COMS camera: catch the simulating signal that iris image information produces pal mode;
A/D video input chip: the pal mode simulating signal that the COMS camera is caught is converted into the digital signal of 8 bit resolutions;
12C bus: adopt chip PCF8584 as the 12C bus controller, A/D video input chip is carried out initialization;
Dsp processor: control each module co-ordination and to the processing of data, and accomplish the comparison identification of iris;
SDRAM: be used for the operation system program;
FLASH: be used to store start-up routine, start-up parameter, operating system, file system and hardware drive program thereof and application code;
Arm processor: communicate transmission and man-machine interaction;
Man-machine interaction unit: comprise being used for the Keysheet module and the LCD display that be used for display system duty of user to the setting of the duty of system;
Ethernet interface: be used for communicating by letter with host computer;
GPRS module: be used for carrying out data communication through GPRS wireless network and host computer;
Power module: for this system provides stable power;
Said COMS camera sends the pal mode simulation iris image signal of catching to and gives dsp processor after A/D video input chip converts digital signal into; Each module co-ordination of dsp processor control and to the processing of data; And the comparison of accomplishing iris is discerned; Data after dsp processor will be handled send arm processor to, and arm processor control Ethernet interface or GPRS module send deal with data to host computer;
Said dsp processor is connected with arm processor with A/D video input chip, power module, SDRAM, FLASH, and said arm processor is connected with Ethernet interface, man-machine interaction, GPRS module, and said A/D video input chip is connected with the COMS camera.
2. a kind of iris recognition attendance checking system based on dsp processor and arm processor according to claim 1 is characterized in that: said A/D video input chip adopts the SAA7111A model.
3. a kind of iris recognition attendance checking system based on dsp processor and arm processor according to claim 1 is characterized in that: said dsp processor adopts the DM642 model.
4. a kind of iris recognition attendance checking system based on dsp processor and arm processor according to claim 1 is characterized in that: said arm processor adopts the S3C2440 chip.
5. a kind of iris recognition attendance checking system based on dsp processor and arm processor according to claim 1 is characterized in that: said GPRS module adopts the MC35i model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220058120 CN202472758U (en) | 2012-02-22 | 2012-02-22 | Iris recognition attendance system based on DSP (Digital Signal Processor) and ARM processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220058120 CN202472758U (en) | 2012-02-22 | 2012-02-22 | Iris recognition attendance system based on DSP (Digital Signal Processor) and ARM processor |
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| Publication Number | Publication Date |
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| CN202472758U true CN202472758U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220058120 Expired - Fee Related CN202472758U (en) | 2012-02-22 | 2012-02-22 | Iris recognition attendance system based on DSP (Digital Signal Processor) and ARM processor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968830A (en) * | 2012-11-23 | 2013-03-13 | 浙江工业大学 | Attendance machine of Internet of Things |
| CN105430345A (en) * | 2015-12-04 | 2016-03-23 | 国家电网公司 | Method for remote monitoring of comprehensive video training platform |
-
2012
- 2012-02-22 CN CN 201220058120 patent/CN202472758U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968830A (en) * | 2012-11-23 | 2013-03-13 | 浙江工业大学 | Attendance machine of Internet of Things |
| CN105430345A (en) * | 2015-12-04 | 2016-03-23 | 国家电网公司 | Method for remote monitoring of comprehensive video training platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20130222 |